Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_IO_SignalExchange_Examples_FirstOrder",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_IO_SignalExchange_Examples_FirstOrder",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001216/0.001216, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001243/0.001244, allocations: 195.3 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.232/1.232, allocations: 222.9 MB / 240.2 MB, free: 4.391 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002075/0.002076, allocations: 278.5 kB / 290.7 MB, free: 1.992 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9214/0.9214, allocations: 169.3 MB / 0.4982 GB, free: 13.96 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001737/0.001737, allocations: 88.73 kB / 0.5953 GB, free: 27.8 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1444/0.1461, allocations: 86.98 MB / 0.6803 GB, free: 0.5742 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder): time 0.004117/0.1503, allocations: 2.602 MB / 0.6828 GB, free: 13.97 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.001956/0.1522, allocations: 0.9026 MB / 0.6837 GB, free: 13.06 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003731/0.1526, allocations: 11.94 kB / 0.6837 GB, free: 13.05 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002295/0.1529, allocations: 63.39 kB / 0.6838 GB, free: 12.99 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001888/0.1531, allocations: 59.41 kB / 0.6838 GB, free: 12.93 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0005005/0.1536, allocations: 242.5 kB / 0.6841 GB, free: 12.7 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004489/0.1541, allocations: 463.7 kB / 0.6845 GB, free: 12.24 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003222/0.1544, allocations: 233.1 kB / 0.6847 GB, free: 12.01 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001476/0.1545, allocations: 143.4 kB / 0.6849 GB, free: 11.87 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001587/0.1547, allocations: 143.2 kB / 0.685 GB, free: 11.73 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 5.854e-05/0.1548, allocations: 52 kB / 0.6851 GB, free: 11.68 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 4.75e-05/0.1548, allocations: 48 kB / 0.6851 GB, free: 11.63 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 6.61e-05/0.1549, allocations: 91.7 kB / 0.6852 GB, free: 11.54 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001336/0.155, allocations: 198.9 kB / 0.6854 GB, free: 11.34 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.000469/0.1555, allocations: 0.5998 MB / 0.686 GB, free: 10.74 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.51e-06/0.1555, allocations: 4 kB / 0.686 GB, free: 10.74 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.232e-06/0.1555, allocations: 0 / 0.686 GB, free: 10.74 MB / 494.1 MB Notification: Performance of Transformations before backend: time 1.254e-05/0.1556, allocations: 0 / 0.686 GB, free: 10.74 MB / 494.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 66 * Number of variables: 66 Notification: Performance of Generate backend data structure: time 0.0008989/0.1565, allocations: 0.6428 MB / 0.6866 GB, free: 10.05 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.104e-05/0.1565, allocations: 12.03 kB / 0.6866 GB, free: 10.04 MB / 494.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.127e-05/0.1566, allocations: 58.73 kB / 0.6867 GB, free: 9.969 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.17e-05/0.1567, allocations: 40.47 kB / 0.6867 GB, free: 9.93 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003901/0.157, allocations: 391.2 kB / 0.6871 GB, free: 9.512 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.185e-05/0.1571, allocations: 24.94 kB / 0.6871 GB, free: 9.484 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.019e-05/0.1571, allocations: 24.38 kB / 0.6871 GB, free: 9.461 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005106/0.1577, allocations: 329.5 kB / 0.6874 GB, free: 9.125 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.578e-06/0.1577, allocations: 0 / 0.6874 GB, free: 9.125 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.661e-05/0.1577, allocations: 8 kB / 0.6874 GB, free: 9.117 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.957e-06/0.1577, allocations: 8 kB / 0.6875 GB, free: 9.109 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000442/0.1582, allocations: 242.1 kB / 0.6877 GB, free: 8.871 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001347/0.1595, allocations: 1.163 MB / 0.6888 GB, free: 7.648 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004404/0.16, allocations: 230.8 kB / 0.689 GB, free: 7.414 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001714/0.1601, allocations: 96.83 kB / 0.6891 GB, free: 7.316 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.5e-05/0.1602, allocations: 4 kB / 0.6891 GB, free: 7.312 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.406e-05/0.1602, allocations: 34.56 kB / 0.6892 GB, free: 7.27 MB / 494.1 MB Notification: Performance of pre-optimization done (n=16): time 2.815e-06/0.1602, allocations: 0 / 0.6892 GB, free: 7.27 MB / 494.1 MB Notification: Performance of matching and sorting (n=16): time 0.0006222/0.1608, allocations: 303.1 kB / 0.6895 GB, free: 6.969 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.208e-05/0.1609, allocations: 81.11 kB / 0.6895 GB, free: 6.871 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003001/0.1612, allocations: 332.5 kB / 0.6898 GB, free: 6.539 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 2.045e-05/0.1612, allocations: 29.7 kB / 0.6899 GB, free: 6.504 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001328/0.1614, allocations: 200 kB / 0.6901 GB, free: 6.305 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 4.54e-05/0.1614, allocations: 51.2 kB / 0.6901 GB, free: 6.254 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 7.212e-05/0.1615, allocations: 41.7 kB / 0.6902 GB, free: 6.207 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001257/0.1616, allocations: 346.7 kB / 0.6905 GB, free: 5.859 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001826/0.1618, allocations: 92.78 kB / 0.6906 GB, free: 5.766 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001854/0.162, allocations: 117.3 kB / 0.6907 GB, free: 5.641 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003333/0.1624, allocations: 184.5 kB / 0.6909 GB, free: 5.453 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.428e-06/0.1624, allocations: 3.984 kB / 0.6909 GB, free: 5.449 MB / 494.1 MB Notification: Performance of matching and sorting (n=20) (initialization): time 0.0004329/0.1628, allocations: 257 kB / 0.6911 GB, free: 5.191 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.555e-05/0.1628, allocations: 8 kB / 0.6911 GB, free: 5.184 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.872e-06/0.1629, allocations: 0 / 0.6911 GB, free: 5.184 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.391e-05/0.1629, allocations: 0 / 0.6911 GB, free: 5.184 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001702/0.163, allocations: 27.98 kB / 0.6911 GB, free: 5.156 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.187e-06/0.1631, allocations: 7.938 kB / 0.6912 GB, free: 5.148 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001237/0.1632, allocations: 31.8 kB / 0.6912 GB, free: 5.117 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.383e-05/0.1632, allocations: 7.938 kB / 0.6912 GB, free: 5.109 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002126/0.1634, allocations: 196.8 kB / 0.6914 GB, free: 4.914 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001413/0.1636, allocations: 99.34 kB / 0.6915 GB, free: 4.805 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002414/0.1638, allocations: 172.8 kB / 0.6916 GB, free: 4.629 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.022e-06/0.1638, allocations: 0 / 0.6916 GB, free: 4.629 MB / 494.1 MB Notification: Performance of matching and sorting (n=20) (initialization_lambda0): time 0.0003388/0.1642, allocations: 219.9 kB / 0.6918 GB, free: 4.41 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.574e-06/0.1642, allocations: 4 kB / 0.6919 GB, free: 4.406 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.034e-06/0.1642, allocations: 0 / 0.6919 GB, free: 4.406 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 4.118e-06/0.1642, allocations: 3.984 kB / 0.6919 GB, free: 4.402 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001176/0.1643, allocations: 31.94 kB / 0.6919 GB, free: 4.371 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.836e-06/0.1644, allocations: 0 / 0.6919 GB, free: 4.371 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000122/0.1645, allocations: 27.83 kB / 0.6919 GB, free: 4.344 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.588e-05/0.1645, allocations: 12 kB / 0.6919 GB, free: 4.332 MB / 494.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 3 (expMod.oveWriAct_activate,expMod.oveWriSet_activate,expMod.mod.conPI.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 20 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001029/0.1646, allocations: 188.9 kB / 0.6921 GB, free: 4.141 MB / 494.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.338e-05/0.1647, allocations: 27.62 kB / 0.6921 GB, free: 4.113 MB / 494.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.901e-05/0.1647, allocations: 35.28 kB / 0.6922 GB, free: 4.082 MB / 494.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.298e-06/0.1648, allocations: 4 kB / 0.6922 GB, free: 4.078 MB / 494.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.274e-06/0.1648, allocations: 7.875 kB / 0.6922 GB, free: 4.07 MB / 494.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.727e-06/0.1648, allocations: 0 / 0.6922 GB, free: 4.07 MB / 494.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003938/0.1652, allocations: 409.2 kB / 0.6926 GB, free: 3.621 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.164e-06/0.1652, allocations: 4 kB / 0.6926 GB, free: 3.617 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001575/0.1653, allocations: 27.98 kB / 0.6926 GB, free: 3.59 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.758e-06/0.1654, allocations: 7.969 kB / 0.6926 GB, free: 3.582 MB / 494.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.586e-05/0.1654, allocations: 4 kB / 0.6926 GB, free: 3.578 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.954e-06/0.1654, allocations: 0 / 0.6926 GB, free: 3.578 MB / 494.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.104e-06/0.1654, allocations: 3.938 kB / 0.6926 GB, free: 3.574 MB / 494.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006221/0.166, allocations: 433 kB / 0.693 GB, free: 3.137 MB / 494.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001073/0.1661, allocations: 136.7 kB / 0.6932 GB, free: 2.984 MB / 494.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.539e-05/0.1662, allocations: 4 kB / 0.6932 GB, free: 2.98 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001362/0.1663, allocations: 11.98 kB / 0.6932 GB, free: 2.969 MB / 494.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.162e-05/0.1664, allocations: 15.92 kB / 0.6932 GB, free: 2.953 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.019e-05/0.1664, allocations: 4 kB / 0.6932 GB, free: 2.949 MB / 494.1 MB Notification: Performance of sorting global known variables: time 0.0002095/0.1666, allocations: 231.1 kB / 0.6934 GB, free: 2.723 MB / 494.1 MB Notification: Performance of sort global known variables: time 1.1e-07/0.1666, allocations: 0 / 0.6934 GB, free: 2.723 MB / 494.1 MB Notification: Performance of remove unused functions: time 0.0003672/0.167, allocations: 95.66 kB / 0.6935 GB, free: 2.629 MB / 494.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (expMod.mod.conPI.I.y,expMod.mod.firOrd.y) * Number of discrete variables: 2 (expMod.oveWriSet_activate,expMod.oveWriAct_activate) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (16): * Single equations (assignments): 16 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0008531/0.1678, allocations: 0.962 MB / 0.6944 GB, free: 1.641 MB / 494.1 MB Notification: Performance of simCode: created initialization part: time 0.0005562/0.1684, allocations: 295.8 kB / 0.6947 GB, free: 1.352 MB / 494.1 MB Notification: Performance of simCode: created event and clocks part: time 2.625e-06/0.1684, allocations: 0 / 0.6947 GB, free: 1.352 MB / 494.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0001717/0.1686, allocations: 97.03 kB / 0.6948 GB, free: 1.258 MB / 494.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005781/0.1692, allocations: 97.84 kB / 0.6949 GB, free: 1.168 MB / 494.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003501/0.1727, allocations: 2.946 MB / 0.6978 GB, free: 14.13 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003018/0.173, allocations: 0.7753 MB / 0.6985 GB, free: 13.33 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.0001256/0.1732, allocations: 26.28 kB / 0.6986 GB, free: 13.3 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001443/0.1733, allocations: 107.4 kB / 0.6987 GB, free: 13.2 MB / 0.4981 GB Notification: Performance of SimCode: time 3.41e-07/0.1733, allocations: 0 / 0.6987 GB, free: 13.2 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4006/0.5739, allocations: 6.571 MB / 0.7051 GB, free: 6.793 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.408/7.982, allocations: 11.78 kB / 0.7051 GB, free: 6.785 MB / 0.4981 GB (rm -f BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_IO_SignalExchange_Examples_FirstOrder_fmu --startTime=0 --stopTime=150 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_IO_SignalExchange_Examples_FirstOrder.fmu > BuildingSystems_BuildingSystems.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe 2>&1)